Introduction
These installation and user instructions cover
all solar variants in the Q550 series - a range
of reliable and highly accurate 24-hour solar
dial time switches which offer, according to
the specic model, a range of features suited
to individual applications.
See quick reference chart later.
Installation
1. The installation of this time switch should
be carried out by a qualied electrician
in accordance with current IEE wiring
regulations.
2. Sangamo cannot be held responsible or
liable for circuit connection other than those
directly associated with our products.
3. To comply with safety requirements it
is recommended that the time switch be
installed with the base provided.
4. Terminals are for xed wiring only.
Provision must be made in the xed wiring
for a means of disconnection from the supply
having a contact separation of at least 3mm
on all poles.
5. The time switch must be earthed.
6. This product is suitable for ‘Ordinary’
conditions only. It is not protected against
dripping or moisture and so should be housed
in a suitable IP rated enclosure.
7. DO NOT REMOVE THE 2 SCREWS AT
REAR OF SWITCH BASE.
8. Rotate cover anticlockwise and lift clear.
9. Remove extended terminal cover (E) by
unscrewing captive screw (F).
10. Withdraw plug-in mechanism from switch
base, by grasping & pulling rmly on the dial.
11. Clear plastic from three xing holes
provided, removing debris.
a. Use no8 wood screws or 2BA countersunk
screws for xing.
b. Fix with suitable wall plugs for the surface
intended.
c. When mounting the time switch on a metal
surface, ensure the metal is adequately
earthed to cover the 20A rating in accordance
with IEE Regulations.
12. Strip back insulation by 6mm to ensure
satisfactory connection with terminals.
Connect switch to supply and load as in
wiring diagrams above.
13. For Q553 - WHERE SEPARATE MOTOR
& SWITCH CIRCUIT SUPPLIES ARE NOT
AVAILABLE - FIT A LINK BETWEEN
TERMINALS 1 & 3.
Setting a Solar Dial
Q550, Q551 & Q553
User Instructions
Fit & forget...
Fixed off between 20:30 & 01:00
This type of dial automatically adjusts, once
set, for seasonal changes in sunset and
sunrise time during the year to suit lighting
applications. Depending on the model , xed
operations can also be set.
1. Remove dial screw (B) and pull dial free
from the mechanism. This makes adjustment
easier.
2. DO NOT LOOSEN SERRATED CENTRE
NUT.
3. Turn date wheel (D) in either direction,
until correct calendar position is indicated in
date aperture (C). Each month is subdivided
into six equal divisions, representing 5 days.
4. Sunset On & Sunrise Off operating arms
(K) & (A) each have an operating pin at the
center point. This center point equates to the
Greenwich Meridian (or 0° Longitude)
location in the country.
5. Adjustment for longitudinal variation can
be made by moving the operating pins (N)
along the slot on BOTH operating arms (K)
& (A), up to a maximum of +/- 45mins from
center.
To assist setting, each slot is marked with 15
minute divisions.
Locations EAST of Greenwich Meridian
– move pins ANTI-CLOCKWISE.
Locations WEST of Greenwich Meridian
– move pins CLOCKWISE.
(see zone map later)
6. Further adjustment to advance the Sunset
ON and delay the Sunrise OFF settings and
increase the overall ON time to suit darker
environment applications, i.e. Stairwells, may
be possible.(Depending on the longitudinal
variation used). Move operating pin (N) along
each operating arm as follows.
ADVANCE – move pin ANTI -CLOCKWISE
on the Sunset ON operating arm (K).
DELAY – move pin CLOCKWISE on the
Sunrise OFF operating arm (A).
7. Ret dial onto mechanism ensuring dial
hub engages cross-pin on center shaft. Ret
dial screw (B) . Turn dial in direction of the
arrow until pointer P indicates correct time.
8. DIAL SHOULD RUN SET TO WINTERTIME
THROUGHOUT THE YEAR.
1. Remove dial screw (B) and pull dial free
from the mechanism. This makes adjustment
easier.
2. DO NOT LOOSEN SERRATED CENTRE
NUT.
3. Models Q551.14 & Q553.14 - (DEFAULT
24:00) - Move Pin already tted on Midnight
Bridge (S) to required setting.
4. Models Q550.13, Q551.13 & Q553.13 -
Transfer Pin (N) to Midnight Bridge (S).
Unscrew & Transfer the Operating pin (N)
from operating arm (A) onto the midnight
bridge (S), to enable a xed off to be set as an
alternative to sunrise.
Note orientation of Operating pin prior to
transfer & ensure when re-positioned it is
securely xed using screw and will operate
the outer lever mechanism.
5. Midnight bridge (S) is calibrated in 15
minute intervals. Set Operating Pin at any
time between 20.30 & 01.00, however see
point 6.
6. For correct unadjusted all year operation
of the Sunset operating arm (K) and the xed
Q553
Q550
Q551
14. Connect earth lead to earth connection
(T).
15. Plug mechanism into base.
16. Cut & trim breakouts in the extended
terminal cover (E) as necessary if wiring
routed on the surface. Ret extended
terminal cover (E) to base using captive
screw (F). This will lock the mechanism inside
the base.
17. Follow setting instructions for the time
switch then ret cover.
SERVICE AND WARRANTY
Your product is not user serviceable. PLEASE DO NOT TRY TO DISMANTLE THE UNIT.
This product is guaranteed by your supplier for 5 years from the date of manufacture. If it should become defective
please contact your installer or supplier for a replacement unit or visit www.sangamo.co.uk/returns
This product must meet Waste Electronic and Electrical Equipment Regulations (WEEE) for suitable environmental
recycling, recovery and/or disposal. End of life products should be handled in line with local regulations.
Alternatively return end of life product to Sangamo for correct disposal.
CUSTOMER CARE POLICY
As part of Sangamo’s continuous improvement program, the company operates a Customer Care policy. This means
we welcome your comments and complaints, as it can help us to improve our services to you, our customer.
Due to our policy of continuous product improvement and development, the specications in this guide may be
subject to change without prior notice.
Sangamo Limited
Industrial Estate, Port Glasgow,
Renfrewshire, PA14 5XG
United Kingdom
Tel +44 (0) 1475 745 131
Email: [email protected]
Web: www.sangamo.co.uk
WEE/JH0069TY
143700 B
CLOCKWISE
off on the midnight bridge (S), the xed off
should be set after 22.30. Fixed off’s set prior
to this will interfere with sunset operating
arm (K) during April – September and cause
the switch to operate for a short period when
not required.
7. Ret dial onto mechanism ensuring dial hub
engages cross-pin on centre shaft. Ret dial
screw (B) . Turn dial in direction of the arrow
until pointer (P) indicates WINTERTIME
(GMT).
8. All xed times need to be adjusted for the
winter/summer clock changes to be uniform
during the year.
March – Move time setting back, i.e. 24:00 to
23:00
October – Move time setting forward, i.e.
23:00 to 24:00
Fixed early on 03:15 & 08:30
Models Q551.14 & Q553.14 (DEFAULT
05:00)
1. The adjustment is made to the rear of the
solar dial. Remove dial screw (B) and pull dial
free from the mechanism to gain access.
2. DO NOT LOOSEN SERRATED CENTRE
NUT
3. Slacken 8BA nut on underside of sector
bridge and move spring tensioned lever 2,
along sector bridge 1, until slot 4 coincides
with time required. The Sector bridge is
calibrated in 15 minutes intervals. Tighten
8BA nut.
4. Ret dial onto mechanism ensuring dial
hub engages cross-pin on centre shaft. Ret
dial screw (B) . Turn dial in the direction
of the arrow until pointer (P) indicates
WINTERTIME(GMT).
5. Fixed operation will be obtained at the
time set except in summer where the sunrise
operating arm (A) operates earlier.
6. All xed times need to be adjusted for the
winter/summer clock changes to be uniform
during the year.
March – Move time setting back, i.e. 05:00 to
04:00
October – Move time setting forward, i.e.
04:00 to 05:00
Setting Day Omit Device
Model Q550.13
1. Day omitting device (D) prevents ‘On’
operation occurring on a chosen day or days
of the week.
2. To OMIT operations on a given day, turn
insert 1 clockwise on a given day , with a
screwdriver, until ARROWHEAD POINTS
OUTWARDS.
4. Ensure dial is showing the correct time.
Note the position of the operating arm (K)
which operates the day omitting device (D)
once every 24 hours. If this operating arm has
PASSED the Day omitting device (D)
– turn black disc so the CURRENT day is set.
If this operating arm (K) has NOT REACHED
the Day omitting device (D) – turn black disc
to the PRECEDING current day.
ANTI-CLOCKWISE
Latitude Zones & Longitude Adjustment
Specication
Model Dial Day Omit Base Pins Switch Type Specics Max Ops
Q550.13 Astro Suntracker ON 3 SPST 2
Q551.13 Astro Suntracker 3 SPST 2
Q551.14 Astro Suntracker 3 SPST Fixed On & Off 4
Q553.13 Astro Suntracker 4 SPST 2
Q553.14 Astro Suntracker 4 SPST Fixed On & Off 4
Current, Voltage, Frequency As shown on product label
Ambient Temperature 0 - 50°C
Live Parts Enclosed
Shock Protection Class 1
Dirt & Moisture Protection IP20
Contacts Micro-Disconnection
Battery Reserve 100 Hours (fully charged). NiMH rechargeable cell.
The battery is soldered into a PCB. After the battery’s
expectant life of 10 years the timeswitch will cease to
operate or run slow, depending on the environment. A
battery replacement kit is available to order.
Cycle/Channel 24 Hour/1 Channel
Summer /Winter Time Change Not required, set dial to Wintertime (GMT). Note: any xed
times must be adjusted to be uniform throughout the year.
Clock Accuracy -/+ 5mins per year @23°C (Quartz)
Max Cable Size 6.0mm²
Power Consumption 0.6W
Noise A perpetual ticking noise is produced as internally a stepper
motor drives the gear train
Quick Reference Chart
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1
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2
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